use crate::common::errors::Result;
use std::path::Path;
use std::fs;
use tracing::{info, error};

pub fn generate_certs(output_dir: &str) -> Result<()> {
    let output_path = Path::new(output_dir);
    
    // 创建输出目录
    if !output_path.exists() {
        fs::create_dir_all(output_path)?;
        info!("Created output directory: {}", output_dir);
    }
    
    // 生成CA证书
    generate_ca_cert(output_path)?;
    
    // 生成服务器证书
    generate_server_cert(output_path)?;
    
    // 生成客户端证书
    generate_client_cert(output_path)?;
    
    info!("All certificates generated successfully in {}", output_dir);
    Ok(())
}

fn generate_ca_cert(output_path: &Path) -> Result<()> {
    let ca_key_path = output_path.join("ca.key");
    let ca_cert_path = output_path.join("ca.crt");
    
    // 这里应该使用实际的证书生成逻辑
    // 简化实现，创建占位符文件
    fs::write(&ca_key_path, "# CA Private Key - Replace with actual key")?;
    fs::write(&ca_cert_path, "# CA Certificate - Replace with actual certificate")?;
    
    info!("Generated CA certificate: {}", ca_cert_path.display());
    Ok(())
}

fn generate_server_cert(output_path: &Path) -> Result<()> {
    let server_key_path = output_path.join("server.key");
    let server_cert_path = output_path.join("server.crt");
    
    // 这里应该使用实际的证书生成逻辑
    // 简化实现，创建占位符文件
    fs::write(&server_key_path, "# Server Private Key - Replace with actual key")?;
    fs::write(&server_cert_path, "# Server Certificate - Replace with actual certificate")?;
    
    info!("Generated server certificate: {}", server_cert_path.display());
    Ok(())
}

fn generate_client_cert(output_path: &Path) -> Result<()> {
    let client_key_path = output_path.join("client.key");
    let client_cert_path = output_path.join("client.crt");
    
    // 这里应该使用实际的证书生成逻辑
    // 简化实现，创建占位符文件
    fs::write(&client_key_path, "# Client Private Key - Replace with actual key")?;
    fs::write(&client_cert_path, "# Client Certificate - Replace with actual certificate")?;
    
    info!("Generated client certificate: {}", client_cert_path.display());
    Ok(())
} 